84 lines
3.3 KiB
HTML
84 lines
3.3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
|
|
<HTML>
|
|
<HEAD>
|
|
<META HTTP-EQUIV="Content-Type" Content="text/html; charset=Windows-1252">
|
|
<TITLE>IIS Request Processing</TITLE>
|
|
<SCRIPT LANGUAGE="JavaScript">
|
|
<!--
|
|
TempString = navigator.appVersion
|
|
if (navigator.appName == "Microsoft Internet Explorer"){
|
|
// Check to see if browser is Microsoft
|
|
if (TempString.indexOf ("4.") >= 0){
|
|
// Check to see if it is IE 4
|
|
document.writeln('<link rel="stylesheet" type="text/css" href="/iishelp/common/coua.css">');
|
|
}
|
|
else {
|
|
document.writeln('<link rel="stylesheet" type="text/css" href="/iishelp/common/cocss.css">');
|
|
}
|
|
}
|
|
else if (navigator.appName == "Netscape") {
|
|
// Check to see if browser is Netscape
|
|
document.writeln('<link rel="stylesheet" type="text/css" href="/iishelp/common/coua.css">');
|
|
}
|
|
else
|
|
document.writeln('<link rel="stylesheet" type="text/css" href="/iishelp/common/cocss.css">');
|
|
//-->
|
|
</script>
|
|
<SCRIPT LANGUAGE="VBScript">
|
|
<!--
|
|
Sub Window_OnLoad()
|
|
Dim frmContents
|
|
On Error Resume Next
|
|
If Not Parent Is Nothing Then
|
|
Set frmContents = Parent.Contents
|
|
If Not frmContents Is Nothing Then
|
|
frmContents.Window.TOCSynch_Click
|
|
End If
|
|
End If
|
|
End Sub
|
|
//--></SCRIPT><META NAME="DESCRIPTION" CONTENT="Internet Information Services reference information">
|
|
<META HTTP-EQUIV="PICS-Label" CONTENT='(PICS-1.1 "<http://www.rsac.org/ratingsv01.html>" l comment "RSACi North America Server" by "inet@microsoft.com <mailto:inet@microsoft.com>" r (n 0 s 0 v 0 l 0))'>
|
|
<META NAME="MS.LOCALE" CONTENT="EN-US">
|
|
<META NAME="MS-IT-LOC" Content="Internet Information Services">
|
|
</HEAD>
|
|
|
|
<BODY BGCOLOR="#FFFFFF" TEXT="#000000">
|
|
|
|
<H2><A NAME="_k2_iis_request_processing"></A><SUP></SUP>IIS Request Processing</H2>
|
|
|
|
<P>When IIS receives an HTTP request, it evaluates the URL to determine if the request is for static content (HTML), or dynamic content (ASP or ISAPI).</P>
|
|
|
|
<P><B>Request Processing Actions</B></P>
|
|
|
|
<TABLE border=0 cellpadding=5 cols=2 frame=box rules=all>
|
|
|
|
<TR VALIGN="top">
|
|
<TD class=blue width=41%><B>Request</B></TD>
|
|
<TD class=blue width=59%><B>Action</B></TD>
|
|
</TR>
|
|
|
|
<TR VALIGN="top">
|
|
<TD width=41%>HTML Page</TD>
|
|
<TD width=59%>IIS returns the page immediately in HTML format.</TD>
|
|
</TR>
|
|
|
|
<TR VALIGN="top">
|
|
<TD width=41%>ISAPI extension </TD>
|
|
<TD width=59%>IIS loads the ISAPI DLL (if it is not already running) and the request is sent to the extension through the <B>Extension_Control_Block</B> data structure.</TD>
|
|
</TR>
|
|
|
|
<TR VALIGN="top">
|
|
<TD width=41%>File name extension mapped to a particular ISAPI extension</TD>
|
|
<TD width=59%>IIS loads the appropriate DLL file and presents the request through the <B>Extension_Control_Block</B> data structure. The .asp extension, for example, is mapped to Asp.dll, so that all requests for files with an .asp extension will be directed to Asp.dll.</TD>
|
|
</TR>
|
|
|
|
<TR VALIGN="top">
|
|
<TD width=41%>CGI application</TD>
|
|
<TD width=59%>IIS creates a new process. IIS will then provide the query string and other parameters that are included with the request through the environment and standard input (STDIN) handle for the process.</TD>
|
|
</TR>
|
|
</TABLE><BR>
|
|
<hr class="iis" size="1">
|
|
<p align="center"><em><a href="../../../common/colegal.htm">© 1997-2001 Microsoft Corporation. All rights reserved.</a></em></p>
|
|
</BODY>
|
|
</HTML>
|